He filled London Terrace with state-of-the-art amenities that included: a 75' x 35' pool, an acre of gardens, a building-wide intercom system, on site shopping, a free page-boy service, a telephone message service, a penthouse community room, a rooftop play area for children, and another roofdeck furnished like the deck of a grand ocean liner. The pool, roofdeck, and gardens are still in use today. Acclaimed and ambitious, the dream eventually killed its creator. The Great Depression struck just as Mandel started to build, forcing the developer into foreclosure in 1934. Mandel jumped to his death from atop his dream building, leaving the elegant London Terrace a financial mess that took almost fifteen years and four banks to clear up.